The Corydoras duplicareus, also known as the Duplicate Corydoras or Corydoras sp. duplicareus, is a delightful freshwater catfish species admired for its unique black and white markings and active behavior. Here's everything you need to know about caring for and keeping Corydoras duplicareus in your aquarium:

Appearance:

• Striking Black and White Markings: The Corydoras duplicareus showcases a beautiful contrast of black and white patterns on its body, fins, and head. Their markings vary, but they often exhibit a speckled or marbled pattern, adding visual interest to your aquarium.
• Unique Body Shape: These Corydoras have a compact body shape with a streamlined profile. They also have small barbels around their mouth, which they use to search for food on the substrate.

Water Conditions:

• Temperature: Maintain the water temperature between 22°C and 26°C (72°F-79°F) to provide optimal conditions for the Corydoras duplicareus.
• pH Level: Aim for a slightly acidic to neutral pH range of 6.5 to 7.5 to replicate their natural habitat.
• Water Hardness: These Corydoras prefer moderately soft to slightly hard water, with a general range of 2 to 12 dH.
• Filtration: Ensure efficient filtration and gentle water flow to maintain excellent water quality for the Corydoras.

Tank Setup:

• Tank Size: Provide a spacious aquarium with a capacity of at least 20 gallons to accommodate a small group of Corydoras duplicareus comfortably.
• Substrate: Use fine sand or smooth gravel as the substrate, which mimics their natural habitat and allows them to sift through it in search of food.
• Decorations: Incorporate driftwood, rocks, and live plants to create hiding spots and provide a natural environment for the Corydoras. They appreciate the presence of broad-leaved plants where they can rest and seek shade.
• Water Parameters: Ensure stable water parameters and avoid drastic fluctuations to keep the Corydoras healthy and stress-free.

Tank Mates:

• Peaceful Community Fish: The Corydoras duplicareus is peaceful and can be kept with other peaceful fish species that share similar water parameter requirements.
• Bottom-Dwelling Fish: They are well-suited for a community aquarium with other bottom-dwelling fish like other Corydoras, loaches, or small catfish.

Feeding Habit:

• Omnivorous Diet: The Corydoras duplicareus is an omnivorous species. Provide a well-balanced diet consisting of high-quality sinking pellets or wafers, supplemented with live or frozen foods like bloodworms, brine shrimp, and daphnia.
• Bottom Feeders: These Corydoras are proficient bottom feeders and will also scavenge for leftover food and small organisms in the substrate.

Care:

• Water Parameters: Regularly monitor and maintain stable water parameters suitable for the Corydoras duplicareus to ensure their well-being.
• Partial Water Changes: Perform regular partial water changes of around 25% every 1-2 weeks to maintain water quality and stability.
• Tank Maintenance: Clean the tank regularly, removing any uneaten food, debris, or excess waste to maintain water quality.
• Monitoring Health: Observe the Corydoras duplicareus for any signs of disease, stress, or abnormal behavior.

The Corydoras duplicareus is a captivating addition to your aquarium, bringing both visual appeal and activity to your aquatic setup. Enjoy their striking black and white markings and playful nature as they contribute to the beauty and liveliness of your tank.